 Now, if I go water ski, I'll be in bed for a week. Well, here's the reason behind this study that people say that they feel, over the age of 45, up to 12 years older than they actually are, is because 85% of the respondents in this poll of 2,000 people said that they experience joint pain, soreness, back pain. It's the aches and the pains that make them feel older. I will tell you, I don't feel. I'm 47. We're doing a QC Kinetics commercial.